A black-box text steganography method using a dynamic codebook generated by multimodal LLMs and reject-sampling feedback achieves higher embedding capacity and text quality than prior white-box and fixed-codebook black-box approaches.
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Text Steganography with Dynamic Codebook and Multimodal Large Language Model
A black-box text steganography method using a dynamic codebook generated by multimodal LLMs and reject-sampling feedback achieves higher embedding capacity and text quality than prior white-box and fixed-codebook black-box approaches.